________ stand too close to North Americans. Give them more personal space.
#59391
A
Aren't
B
Didn't
C
Won't
D
Don't
推荐题目
______ at the door before entering please. 
#66016
A
Knocked
B
Knock
C
Knocking
D
To knock
_____ it is to jump into a river to swim on such a hot day.
#66127
A
What a fun
B
What fun
C
How a funny
D
How a fun
--- Father, I’m going out for a play. ---- _________ be long!
#66252
A
Don’t
B
It won’t
C
Won’t
D
You didn’t